-89.97% is the change from 389 to 39
Calculation steps:
[( 39 - 389 ) ÷ 389] x 100 = -89.97%
Formula
Percentage change = [(39 - 389) / 389] x 100
Subtract the new number by the original number
39 - 389 = -350
-350 ÷ 389 = -0.8997429305912596
-0.8997429305912596 x 100 = -89.97%